Schoolteacher William Potts is the double of a captured German spy, so he is sent to Germany by British Intelligence to obtain the plans of a new secret weapon, causing chaos in a Hitler Youth school in the process.
Will Hay
as William Potts / Muller
Frank Pettingell
as Professor Hoffman
Julien Mitchell
as General Von Glotz
Charles Hawtrey
as Max
Barry Morse
as Kurt
Peter Ustinov
as Krauss
Peter Croft
as Hans
Anne Firth
as Lena
Leslie Harcourt
as Vogel
Jeremy Hawk
as A.D.C.
Raymond Lovell
as Schmidt
Aubrey Mallalieu
as Rector
